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| Number | Title | Issue Date |
| 6964552 | Method for lifting and transporting a heavy load using a deep water deployment system The invention is a method for lifting and transporting a heavy load comprising using a heavy lift vessel with at least two heavy lift cranes adapted to operate simultaneously; mounting a deep water deployment system on each crane adapted to increase hook travel the ... | 11/15/2005 |
| 6932325 | Active-over-passive coordinated motion winch The instant invention is directed to a active-over-passive coordinated motion winch designed to be used in combination with a class of existing offshore lifting systems such as A-Frames, booms or cranes to minimize the relative movement between a payload position an... | 08/23/2005 |
| 6659703 | Stabilized ship-borne access apparatus and control method for the same An apparatus for use on a vessel and for gaining access to a fixed structure such as a marine platform. As shown a supply vessel (1) has located on the deck (2) a mounting (3) which is connected by a gimbal arrangement (30) to a support arm (4) carrying a... | 12/09/2003 |
| 6082947 | Coordinated motion marine lifting device This invention is drawn to a device for transporting cargo between a source position and a destination position utilizing a fixed crane-type device, e.g. an A-Frame, including a pivotal sub A-Frame in conjunction with a heave compensating assembly to whic... | 07/04/2000 |
| 6081292 | Grappler guidance system for a gantry crane In a gantry crane having a movable grappler adapted for lifting standard containers, a system is provided to aid in positioning the grappler relative to the container. The grappler is equipped with at least two corner video devices located near corners of... | 06/27/2000 |
| 5577874 | Method and apparatus for the transfer of loads from a floating vessel to another or to a fixed installation A method and apparatus for the transfer of loads from a vessel that moves with heavy seas to a stationary or mobile installation by the use of at least one lifting cable and at least one hoisting mechanism, where the load, in a starting position, stands o... | 11/26/1996 |
| 5154561 | Automated all-weather cargo transfer system An advanced automated vessel cargo transfer system for loading and unloading of ships and lighters. It includes an articulated manipulator arm mounted on a frame. The arm is provided with a spreader bar at the distal end thereof. The spreader bar is provi... | 10/13/1992 |
| 4854800 | Open sea transfer of articles An arrangement for effecting open sea transfer of articles to and from a vessel subject to movement in the pitch, roll, yaw, heave and sway senses includes a gantry having one end carried by the vessel, and a free end having a carrying device adapted for ... | 08/08/1989 |
| 4393906 | Stern to bow offshore loading system An offshore loading system especially suited for transferring petroleum products from a floating production vessel to a marine tanker. The system comprises a cantilevered support boom mounted on the deck of the production vessel, a fluid conduit extending... | 07/19/1983 |
| 4317524 | Hydraulic cranes An improved hydraulic crane comprising at least one lifting cylinder to pivot the crane arm in a vertical plane relative to the crane post. A pressure-fluid line associated with the cylinder is connected to a movement-damping accumulator. In addition, a n... | 03/02/1982 |
| 4021019 | Heave compensating cranes A crane for ships and having a boom pivotally mounted for vertical movement on a base, telescopic hydraulic jack means connected to the boom to support the outer end thereof in a desired position, a pulley carried by the boom near the outer end thereof an... | 05/03/1977 |
